General Naomori Kawarada is the very first mini boss in the Sekiro game. He is located in the outskirts area and comparatively very easy to kill.
You can counter him by following the steps below.
How to defeat General Naomori Kawarada:
Head to the Ashina outskirts and you will find General Naomori Kawarada on the other side of the big buildings. Jump straight on him from the roof and hit with a lethal blow.
He possessed a long sword. So you have to jump up in the air to avoid his attacks.
Block all his strikes and then counter attack. Don’t let him recover his posture. At the end, kill him with a one final blow.